About: http://webisa.webdatacommons.org/132594580

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The Angles inside the triangle which correspond to these Vertex points are labelled using lower case letters such as a,b,c or d,e,f and so on.
http://www.w3.org/ns/prov#wasQuotedFrom	passyworldofmathematics.com